RCU Forums - View Single Post - UMS Radial Engines. Who's got one and are they any good?
Old 10-27-2021, 11:58 AM
  #39  
1967brutus
Senior Member
 
Join Date: Oct 2021
Posts: 1,234
Received 76 Likes on 71 Posts
Default

Originally Posted by DaleD
I would specifically like to know the programming in the radio used to ensure appropriate fuel flow from idle to full throttle.
Isn't the carburettor supposed to take care of that, and the pump to be run at constant speed (on/off switch)?
I think you can control the pump from the transmitter, but you could just as well have the pump run when the ignition is on: Priming should not be an issue with an electric pump and that way you cannot flood the engine unless you leave the ignition on without starting it, which one should never do anyway...